Hi friends 👋🏻😀, I am back with the new content , Let’s explore today how we can retreive , read and store DLQ message of service Bus queue.

The purpose of the dead-letter queue is to hold messages that can’t be delivered to any receiver, or messages that couldn’t be processed. We can inspect these DLQ messages , can store those to do the correction and resubmit as well.

Prerequisite

1. Azure Portal subscription
2. Create Logic App
3. Create a Service Bus queue
4. Create a storage account

Process

Step 1 : Create a first workflow that will send messages to service bus queue.

Step 2 : Create second workflow which will receive the message from the service bus queue and will send to dead-letter queue on failure.

• I have given here one same workflow url in the HTTP action.

• So, in the condition if the HTTP action is success then it will simply complete the message queue. Otherwise it will go to the dead letter queue action.

• Finally we are storing here the DLQ message in the storage account container as a backup :

Testing

Success Senario :

As a Input sending one Sample XML data in the First Workflow.

As an Output we will get :

In second logic app, HTTP action is successful.True block is executed and message is deleted from queue.

Failure scenario

To generate a failed scenario, I have given here wrong URL in the HTTP action. Hence, False block is executed and message has gone to dead-letter queue.

Dead-Letter queue Checking

Storage account Checking

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